Preprint Concept Paper Version 1 Preserved in Portico This version is not peer-reviewed

Beyond Congruence: Evidential Integration and Inferring the Best Evolutionary Scenario

Version 1 : Received: 29 May 2021 / Approved: 31 May 2021 / Online: 31 May 2021 (12:25:44 CEST)

How to cite: Nejad Kourki, A. Beyond Congruence: Evidential Integration and Inferring the Best Evolutionary Scenario. Preprints 2021, 2021050767 (doi: 10.20944/preprints202105.0767.v1). Nejad Kourki, A. Beyond Congruence: Evidential Integration and Inferring the Best Evolutionary Scenario. Preprints 2021, 2021050767 (doi: 10.20944/preprints202105.0767.v1).

Abstract

Molecular methods have revolutionised virtually every area of biology, and metazoan phylogenetics is no exception: molecular phylogenies, molecular clocks, comparative phylogenomics, and developmental genetics have collectively transformed our understanding of the evolutionary history of animals. Moreover, the diversity of methods and models within molecular phylogenetics has resulted in significant disagreement among molecular phylogenies as well as between these and traditional phylogenies. Here, I argue that tackling this multifaceted problem lies in integrating evidence to infer the best evolutionary scenario. I begin with an overview of recent developments in early metazoan phylogenetics, followed by a discussion of key conceptual issues in phylogenetics revolving around phylogenetic evidence and theory. I then argue that integration of different kinds of evidence is necessary for arriving at the best evolutionary scenario rather than the best-fitting cladogram. Finally, I discuss the prospects of this view in stimulating interdisciplinary cross-talk in early metazoan research and beyond.

Subject Areas

evidential integration; causal explanation; early animal evolution; phylogenetics; macroevolution; evolutionary scenario; cross-disciplinary research

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